Create Visualizations for Reports
Generate professional charts and graphs for business reports, presentations, and executive summaries.
Generate Chart
Turn data into chart images fast
Convert raw numbers into professional chart images in seconds. Supports bar, line, pie, doughnut, radar, scatter, and more with automatic colors and custom dimensions. Returns a permanent shareable URL and downloadable image. Simple data input or full Chart.js config for precise control.
Create Chart
Generate a chart image from data. Provide either a simplified input (type, labels, datasets) or a full Chart.js config for advanced control. Returns a permanent URL that renders the chart on-demand, plus a downloadable image when storage is available.
Returns: Short permanent URL to view the chart image, inline base64 image for supported clients, chart dimensions, and the Chart.js config used
Parameters
typestringChart type. Defaults to "bar". Ignored if "config" is provided.
titlestringChart title displayed at the top. Ignored if "config" is provided.
labelsarrayX-axis labels (e.g. ["Jan", "Feb", "Mar"]). Ignored if "config" is provided.
datasetsarrayOne or more datasets to plot. Each needs at least a "data" array. Required unless "config" is provided.
configobjectFull Chart.js config for advanced control. Overrides type/title/labels/datasets when provided.
widthnumberChart width in pixels (default 600)
heightnumberChart height in pixels (default 400)
formatstringOutput image format (default "png")
background_colorstringChart background color (CSS color, default "white"). Use "transparent" for no background.
Example
Simple bar chart with revenue data
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{
"tool": "generate-chart",
"skill": "create_chart",
"input": {
"type": "bar",
"title": "Quarterly Revenue",
"labels": [
"Q1",
"Q2",
"Q3",
"Q4"
],
"datasets": [
{
"label": "Revenue ($k)",
"data": [
120,
180,
150,
220
]
}
]
}
}' \
https://api.toolrouter.com/v1/tools/callQuick Start
MCP (Claude Code)
claude mcp add --transport stdio \
--env TOOLROUTER_API_KEY=YOUR_API_KEY \
toolrouter -- npx -y toolrouter-mcpREST API
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{"tool":"generate-chart","skill":"create_chart","input":{}}' \
https://api.toolrouter.com/v1/tools/callUse Cases
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Workflows
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Transform data into engaging video reports with auto-generated charts, animated presentations, and narrated insights.
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Frequently Asked Questions
What kinds of charts can I make?
You can create bar, line, pie, doughnut, radar, scatter, and other common chart types.
Do I need a full Chart.js config?
No. Simple data input works for most cases, but you can pass a full config when you need exact control.
Does the chart come with a shareable link?
Yes. The response includes a permanent chart URL you can embed or share directly.
What size should I use for presentations?
The default is 600x400 px, and you can increase width and height when you want a larger export.